5/16" x 4" PTO Shat Locking Pins

Exquisite Material: The trailer coupler pin is made of high-quality carbon steel, which has long-lasting performance, is safe and reliable, can withstand harsh traction conditions, and is not easy to rust or corrode, ensuring a safe and stable towing experience. Easy to Use: Ideal for a variety of towing applications, giving you peace of mind on the road. Trailer coupler pins are easy to use, won't break or bend, just insert the pin into the coupler and close it. Security Design: The shaft locking pin keeps the hitch lock and tow ball intact and serves as a convenient way to adjust or remove accessories on your equipment, ensuring a secure connection between your trailer and hitch. Wide Application: Suitable for agriculture, gardening, cars, trucks, trailers, ATVs, lawn mowers, boats, trailer couplers, snowplows, tractors and other farm equipment. Package Includes: You will receive 6 pieces of tractor lynch pins that are 5/16 inches in diameter and 4 inches in length, which fit most couplers and provide you with enough security to hold your mating components in place.